diff --git a/www/commands/site_gitinfo.php b/www/commands/site_gitinfo.php
new file mode 100644
index 0000000..5087673
--- /dev/null
+++ b/www/commands/site_gitinfo.php
@@ -0,0 +1,23 @@
+<?php
+require_once (__DIR__ . '/../internals/website.php');
+
+/** @var PageFrameOptions $FRAME_OPTIONS */ global $FRAME_OPTIONS;
+/** @var URLRoute $ROUTE */ global $ROUTE;
+/** @var Website $SITE */ global $SITE;
+
+
+if (!isset($API_OPTIONS['field'])) { $FRAME_OPTIONS->forceResult(400, "Wrong parameters."); return; }
+
+$field = strtolower($API_OPTIONS['field']);
+
+if ($field === 'branch')    { echo exec('git rev-parse --abbrev-ref HEAD'); return; }
+if ($field === 'head')      { echo exec('git rev-parse HEAD'); return; }
+if ($field === 'timestamp') { echo (new DateTime(exec('git log -1 --format=%cd --date=iso')))->format('Y-m-d H:i:s'); return; }
+if ($field === 'origin')    { echo exec('git config --get remote.origin.url'); return; }
+if ($field === 'message')   { echo trim(shell_exec('git log -1 --format=%B')); return; }
+
+
+$FRAME_OPTIONS->statuscode = 400;
+echo 'Unknown field';
+
+return;
\ No newline at end of file
diff --git a/www/data/css/styles.css b/www/data/css/styles.css
index fdc36ae..2c94ca4 100644
--- a/www/data/css/styles.css
+++ b/www/data/css/styles.css
@@ -971,6 +971,10 @@ html, body {
   padding-bottom: 2px;
 }
 
+.admin_ajax_gitfield_error {
+  color: #FF0000;
+}
+
 /* 400px */
 #loginform div {
   display: flex;
diff --git a/www/data/css/styles.min.css b/www/data/css/styles.min.css
index 60df156..5fd2ce4 100644
--- a/www/data/css/styles.min.css
+++ b/www/data/css/styles.min.css
@@ -188,6 +188,7 @@ html,body{margin:0;padding:0;height:100%}
 .boxedcontent.graybox .bc_data{padding-top:2px;padding-bottom:2px}
 .boxedcontent.successbox{background-color:#168b00;color:#222;border:1px solid #444;font-weight:bold;text-align:center}
 .boxedcontent.successbox .bc_data{padding-top:2px;padding-bottom:2px}
+.admin_ajax_gitfield_error{color:red}
 #loginform div{display:flex;flex-direction:column}
 #loginform div button{margin:10px 0;padding:0}
 .loginerror{display:flex;background:#f44;color:#222;border:1px solid #a44;border-radius:2px;font-weight:bold;padding:0 5px;margin:5px 0 20px 0}
diff --git a/www/data/css/styles_admin.scss b/www/data/css/styles_admin.scss
index 4e921de..687f1d3 100644
--- a/www/data/css/styles_admin.scss
+++ b/www/data/css/styles_admin.scss
@@ -136,3 +136,7 @@
     padding-bottom: 2px;
   }
 }
+
+.admin_ajax_gitfield_error {
+  color: $COL_ADMIN_ERROR;
+}
\ No newline at end of file
diff --git a/www/data/javascript/admin.js b/www/data/javascript/admin.js
index ffb6352..27eb639 100644
--- a/www/data/javascript/admin.js
+++ b/www/data/javascript/admin.js
@@ -148,8 +148,33 @@ function refreshSingle(apibutton, then)
         });
 }
 
+function queryGitField(dest)
+{
+    const ddest = $(dest);
+
+    let config =
+        {
+            url: '/api/site::gitinfo?field=' + ddest.attr('data-ajax_gitfield'),
+            type: 'GET',
+            dataType: 'text',
+            cache : false,
+        };
+
+    $.ajax(config)
+        .done((data, status, xhr) =>
+        {
+            ddest.text(data);
+        })
+        .fail((xhr, status, err) =>
+        {
+            ddest.addClass('admin_ajax_gitfield_error');
+            ddest.text('ERROR');
+        });
+}
+
 $(function()
 {
-    for (let apibutton of $('.selftest_sequential').toArray()) setTimeout(() => refreshConsistencyDisplaySequential(0), 200);
-    for (let apibutton of $('.selftest_parallel').toArray())   setTimeout(() => refreshConsistencyDisplayParallel(), 200);
+    for (let elem of $('.selftest_sequential').toArray()) setTimeout(() => refreshConsistencyDisplaySequential(0), 200);
+    for (let elem of $('.selftest_parallel').toArray())   setTimeout(() => refreshConsistencyDisplayParallel(), 200);
+    for (let elem of $('.admin_ajax_gitfield').toArray())   setTimeout(() => queryGitField(elem), 0);
 });
\ No newline at end of file
diff --git a/www/pages/admin.php b/www/pages/admin.php
index 231279a..6214afe 100644
--- a/www/pages/admin.php
+++ b/www/pages/admin.php
@@ -41,10 +41,11 @@ $connected = true; try { $SITE->modules->Database(); } catch (Exception $e) { $c
         <div class="bc_header">Version</div>
 
         <div class="bc_data keyvaluelist kvl_100">
-            <div><span>Branch:</span> <span><?php echo exec('git rev-parse --abbrev-ref HEAD'); ?></span></div>
-            <div><span>Commit:</span> <span><?php echo exec('git rev-parse HEAD'); ?></span></div>
-            <div><span>Date:</span>   <span><?php echo exec('git log -1 --format=%cd'); ?></span></div>
-            <div><span>Message:</span><span><?php echo nl2br(trim(exec('git log -1'))); ?></span></div>
+            <div><span>Branch:</span> <span class="admin_ajax_gitfield" data-ajax_gitfield="branch"   >...</span></div>
+            <div><span>Commit:</span> <span class="admin_ajax_gitfield" data-ajax_gitfield="head"     >...</span></div>
+            <div><span>Date:</span>   <span class="admin_ajax_gitfield" data-ajax_gitfield="timestamp">...</span></div>
+            <div><span>Origin:</span> <span class="admin_ajax_gitfield" data-ajax_gitfield="origin"   >...</span></div>
+            <div><span>Message:</span><span class="admin_ajax_gitfield" data-ajax_gitfield="message"  >...</span></div>
         </div>
     </div>
 
diff --git a/www/pages/api.php b/www/pages/api.php
index 9a7ebe7..3a82ec3 100644
--- a/www/pages/api.php
+++ b/www/pages/api.php
@@ -20,6 +20,7 @@ $API_COMMANDS =
 	'site::createprogramthumbnails' => [ 'src' => __DIR__.'/../commands/site_createProgramThumbnails.php', 'auth' => 'admin'          ],
 	'site::createbookthumbnails'    => [ 'src' => __DIR__.'/../commands/site_createBookThumbnails.php',    'auth' => 'admin'          ],
 	'site::selftest'                => [ 'src' => __DIR__.'/../commands/site_selftest.php',                'auth' => 'admin'          ],
+	'site::gitinfo'                 => [ 'src' => __DIR__.'/../commands/site_gitinfo.php',                 'auth' => 'admin'          ],
 
 	'server::setselfaddress'        => [ 'src' => __DIR__.'/../commands/server_setselfaddress.php',        'auth' => 'none'           ],
 	'server::gitwebhook'            => [ 'src' => __DIR__.'/../commands/server_gitwebhook.php',            'auth' => 'webhook_secret' ],